text: /*
  
     BLIS    
     An object-based framework for developing high-performance BLAS-like
     libraries.
  
     Copyright (C) 2014, The University of Texas
  
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions are
     met:
      - Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.
      - Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in the
        documentation and/or other materials provided with the distribution.
      - Neither the name of The University of Texas nor the names of its
        contributors may be used to endorse or promote products derived
        from this software without specific prior written permission.
  
     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  */
  
  #include "blis.h"
  
  extern trmm_t* trmm_l_cntl;
  extern trmm_t* trmm_r_cntl;
  
  //
  // Define object-based interface.
  //
  void bli_trmm3( side_t  side,
                  obj_t*  alpha,
                  obj_t*  a,
                  obj_t*  b,
                  obj_t*  beta,
                  obj_t*  c )
  {
  	trmm_t* cntl;
  	obj_t   a_local;
  	obj_t   b_local;
  	obj_t   c_local;
  
  	// Check parameters.
  	if ( bli_error_checking_is_enabled() )
  		bli_trmm3_check( side, alpha, a, b, beta, c );
  
  	// If alpha is zero, scale by beta and return.
  	if ( bli_obj_equals( alpha, &BLIS_ZERO ) )
  	{
  		bli_scalm( beta, c );
  		return;
  	}
  
  	// Alias A, B, and C so we can tweak the objects if necessary.
  	bli_obj_alias_to( *a, a_local );
  	bli_obj_alias_to( *b, b_local );
  	bli_obj_alias_to( *c, c_local );
  
  	// Set each alias as the root object. This makes life easier when
  	// implementing right side and transpose cases because we don't actually
  	// want the root objects but rather the root objects after we are done
  	// fiddling with them.
  	bli_obj_set_as_root( a_local );
  	bli_obj_set_as_root( b_local );
  	bli_obj_set_as_root( c_local );
  
  	// We assume trmm is implemented with a block-panel kernel, thus, we will
  	// only directly support the BLIS_LEFT case. We handle the BLIS_RIGHT case
  	// by transposing the operation. 
  	if ( bli_is_right( side ) )
  	{
  		bli_obj_toggle_trans( a_local );
  		bli_obj_toggle_trans( b_local );
  		bli_obj_toggle_trans( c_local );
  		bli_toggle_side( side );
  	}
  
  	// We do not explicitly implement the cases where A is transposed.
  	// However, we can still handle them. Specifically, if A is marked as
  	// needing a transposition, we simply induce a transposition. This
  	// allows us to only explicitly implement the no-transpose cases. Once
  	// the transposition is induced, the correct algorithm will be called,
  	// since, for example, an algorithm over a transposed lower triangular
  	// matrix A moves in the same direction (forwards) as a non-transposed
  	// upper triangular matrix. And with the transposition induced, the
  	// matrix now appears to be upper triangular, so the upper triangular
  	// algorithm will grab the correct partitions, as if it were upper
  	// triangular (with no transpose) all along.
  	if ( bli_obj_has_trans( a_local ) )
  	{
  		bli_obj_induce_trans( a_local );
  		bli_obj_set_onlytrans( BLIS_NO_TRANSPOSE, a_local );
  	}
  
  	// Choose the control tree.
  	if ( bli_is_left( side ) ) cntl = trmm_l_cntl;
  	else                       cntl = trmm_r_cntl;
  
  	// Invoke the internal back-end.
  	bli_trmm_int( alpha,
  	              &a_local,
  	              &b_local,
  	              beta,
  	              &c_local,
  	              cntl );
  }
  
  //
  // Define BLAS-like interfaces with homogeneous-typed operands.
  //
  #undef  GENTFUNC
  #define GENTFUNC( ctype, ch, opname, varname ) \
  \
  void PASTEMAC(ch,opname)( \
                            side_t  side, \
                            uplo_t  uploa, \
                            trans_t transa, \
                            diag_t  diaga, \
                            trans_t transb, \
                            dim_t   m, \
                            dim_t   n, \
                            ctype*  alpha, \
                            ctype*  a, inc_t rs_a, inc_t cs_a, \
                            ctype*  b, inc_t rs_b, inc_t cs_b, \
                            ctype*  beta, \
                            ctype*  c, inc_t rs_c, inc_t cs_c  \
                          ) \
  { \
  	const num_t dt = PASTEMAC(ch,type); \
  \
  	obj_t       alphao, ao, bo, betao, co; \
  \
  	dim_t       mn_a; \
  	dim_t       m_b, n_b; \
  \
  	bli_set_dim_with_side(   side,   m, n, mn_a ); \
  	bli_set_dims_with_trans( transb, m, n, m_b, n_b ); \
  \
  	bli_obj_create_1x1_with_attached_buffer( dt, alpha, &alphao ); \
  	bli_obj_create_1x1_with_attached_buffer( dt, beta,  &betao  ); \
  \
  	bli_obj_create_with_attached_buffer( dt, mn_a, mn_a, a, rs_a, cs_a, &ao ); \
  	bli_obj_create_with_attached_buffer( dt, m_b,  n_b,  b, rs_b, cs_b, &bo ); \
  	bli_obj_create_with_attached_buffer( dt, m,    n,    c, rs_c, cs_c, &co ); \
  \
  	bli_obj_set_uplo( uploa, ao ); \
  	bli_obj_set_diag( diaga, ao ); \
  	bli_obj_set_conjtrans( transa, ao ); \
  	bli_obj_set_conjtrans( transb, bo ); \
  \
  	bli_obj_set_struc( BLIS_TRIANGULAR, ao ); \
  \
  	PASTEMAC0(opname)( side, \
  	                   &alphao, \
  	                   &ao, \
  	                   &bo, \
  	                   &betao, \
  	                   &co ); \
  }
  
  INSERT_GENTFUNC_BASIC( trmm3, trmm3 )
  
  
  //
  // Define BLAS-like interfaces with heterogeneous-typed operands.
  //
  #undef  GENTFUNC3U12
  #define GENTFUNC3U12( ctype_a, ctype_b, ctype_c, ctype_ab, cha, chb, chc, chab, opname, varname ) \
  \
  void PASTEMAC3(cha,chb,chc,opname)( \
                                      side_t    side, \
                                      uplo_t    uploa, \
                                      trans_t   transa, \
                                      diag_t    diaga, \
                                      trans_t   transb, \
                                      dim_t     m, \
                                      dim_t     n, \
                                      ctype_ab* alpha, \
                                      ctype_a*  a, inc_t rs_a, inc_t cs_a, \
                                      ctype_b*  b, inc_t rs_b, inc_t cs_b, \
                                      ctype_c*  beta, \
                                      ctype_c*  c, inc_t rs_c, inc_t cs_c  \
                                    ) \
  { \
      bli_check_error_code( BLIS_NOT_YET_IMPLEMENTED ); \
  }
  
  INSERT_GENTFUNC3U12_BASIC( trmm3, trmm3 )
  
  #ifdef BLIS_ENABLE_MIXED_DOMAIN_SUPPORT
  INSERT_GENTFUNC3U12_MIX_D( trmm3, trmm3 )
  #endif
  
  #ifdef BLIS_ENABLE_MIXED_PRECISION_SUPPORT
  INSERT_GENTFUNC3U12_MIX_P( trmm3, trmm3 )
  #endif
  
  